Employee Benefit Plans (Schedule of Amounts Recognized in Balance Sheet) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Pension Plan [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Noncurrent assets	$ 0	$ 0
Current liabilities	(1.7)	(1.6)
Noncurrent liabilities	(38.7)	(41.8)
Net amount recognized	(40.4)	(43.4)
Other Benefits [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Noncurrent assets	0	0
Current liabilities	(1.1)	(0.9)
Noncurrent liabilities	(23.0)	(26.0)
Net amount recognized	$ (24.1)	$ (26.9)